Granted Patent
Utility
US 5,633,317 · App. 08/301,934
Isocyanate resin compositions and hot melt and pressure sensitive adhesives based thereon
Inventors:
Eiichi Kawasaki, Kiyoto Doi, Tadashi Kitamura, Kousuke Suewaka, Kazuya Shinkoda
Patented Case
View Patent ↗
Granted: May 27, 1997
Filed: Sep 7, 1994
Inventors
Eiichi Kawasaki
Kiyoto Doi
Tadashi Kitamura
Kousuke Suewaka
Kazuya Shinkoda
Assignee (at issue)
Mitsui Toatsu Chemicals, Incorporated
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.